The Oransi mod+ Air Purifier is unique in it's high performance for large rooms, low noise, and ease of use. The mod+ is versatile with 12 fan speeds so you can precisely set the desired air flow. The all-in-one filter (mesh pre-filter, HEPA filter based media that is pleated and activated carbon) has a filter life of 12 months and low price giving you the lowest total cost of ownership for the performance. The lights on the mod+ dim automatically so there are no distracting lights. A convenient carry handle allows you to move it between rooms without having to bend down. The mod+ is unique in combining high air cleaning performance (CADR: 363 smoke, 369 PM2.5) with award winning looks. Oransi was chosen to purify air in the Javits Center field hospital in New York City during the first peak of COVID as well as used by NIH, we're proud to provide reliably clean air and peace of mind